Symbol: ac_probe_tone
usr/src/uts/common/io/audio/ac97/ac97.c
1474
TONECTL, 0, ac_bass_set, ac_probe_tone, 4},
usr/src/uts/common/io/audio/ac97/ac97.c
1478
TONECTL, 0, ac_treble_set, ac_probe_tone, 4},